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Finding the Fourth Proportional to 35,193.98, 52,760.03 and 18,291.40

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Solution

The fourth proportional to 35,193.98, 52,760.03 and 18,291.40 is: 27,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,193.98 : 52,760.03 = 18,291.40 : x
  2. Step 2: Convert to fraction form
    35,193.98/52,760.03 = 18,291.40/x
  3. Step 3: Cross multiply
    35,193.98x = 52,760.03 × 18,291.40
  4. Step 4: Simplify right side
    35,193.98x = 965,054,812.74
  5. Step 5: Solve for x
    x = 965,054,812.74/35,193.98
  6. Step 6: Final answer
    x = 27,421.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.